Metcalfe Chiller

Metcalfe Chiller ITB Preapproved VT Vendors Only Scope of Work North chiller Disassemble/ remove (4) bad micro channel condenser coils or industry standard Install (4) new condenser coils approx. 44x78 inches Disassemble/remove old marquee display Install new scrolling marquee display Add refrigerant – 410A Leak and vacuum test system Startup to ensure proper operation Invitation to Bid South chiller Disassemble/remove (1) bad compressor Furnish and Install (1) New Compressor - 25 h/p or match existing Disassemble/remove bad contactor and filter drier Furnish and install contactor and liquid line filter drier Add refrigerant – 410A Leak and vacuum test system Startup to ensure proper operation A. Refrigerant Coils: 1. Coils rated and tested in accordance with AHRI 410. 2. Tubes: Material to consist of seamless copper, mechanically expanded to fins; appropriate tube joining methods based on tube material. 3. Fins: Material to consist of aluminum or copper, continuous plate type with full fin collars. Maximum of 12 fins per inch (FPI). 4. Casing: ASTM A666, Type 304 stainless steel, minimum 0.0625 inch thick for slip-in or flanged mounting. 5. Maximum face velocity shall not exceed 450FPM. 6. Suction Header: Construct of nonferrous material with tube connection appropriate to header material provided. ASTM B88, Type L copper tube with brazed joints. 7. Liquid distributor: Brass or copper venture type with seamless copper distribution tubes; maximum 12 or 18 circuits per distributor. ASTM B88, Type L copper tube with brazed joints. 8. Configuration: Down feed with bottom suction to prevent oil trapping. 9. Acceptable Factory Testing Methods: a. Proof test at 1.5 times the maximum operating pressure and leak test at the maximum operating temperature. b. Perform hydrostatic testing for coils with removable headers in accordance with approved shop drawings and normally accepted means and methods Please use the following link to view Bid Opening: Meeting ID meet.google.com/qos-axae-ok

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Heating, Ventilating, and Air Conditioning (HVAC), Instrumentation and Control for HVAC, HVAC Air Distribution, Central HVAC Equipment.